[clang] [analyzer] Generalize field initializer resolution in RegionStore (PR #189361)

[Balázs Benics via cfe-commits]

https://github.com/steakhal approved this pull request.

I didn't find any pending comments - but I just scrolled through.
Nevertheless, it looks already pretty good! Thanks for sticking around.

https://github.com/llvm/llvm-project/pull/189361